A presupposition must be mutually known or assumed by the speaker and addressee for the utterance to be considered appropriate in [[context]]. It will generally remain a necessary assumption whether the utterance is placed in the form of an assertion, denial, or question, and can be associated with a specific lexical item or grammatical feature (presupposition trigger) in the utterance. | A presupposition must be mutually known or assumed by the speaker and addressee for the utterance to be considered appropriate in [[context]]. It will generally remain a necessary assumption whether the utterance is placed in the form of an assertion, denial, or question, and can be associated with a specific lexical item or grammatical feature (presupposition trigger) in the utterance. |